task(CAD-9): bill of materials - buildBOM grouping by type+size with counts and total truss meters (corners count both arms), CSV export excel-friendly, dialog with table and download button

2026-08-31 22:36:21 +02:00
parent 748ba01083
commit 4398c675e4
4 changed files with 469 additions and 0 deletions
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+/**
+ * Task CAD-9 – Stueckliste (BOM) fuer Traversen-Systeme.
+ *
+ * buildBOM gruppiert Traversen + Eck-Traversen nach Typ + Mass
+ * (Laenge x Breite), zaehlt Stueckzahlen und summiert die
+ * Gesamt-Traversemeter (Boxcorner zaehlt BEIDE Arme).
+ * exportBOMCsv: Semikolon-separierte CSV (Excel-DE-freundlich).
+ */
+import type { CADElement } from '../types/cad.types';
+
+export interface BOMRow {
+  pos: number;
+  type: 'Traverse' | 'Eck-Traverse';
+  /** Laenge in cm (Traverse: length; Eck-Traverse: armLength). */
+  length: number;
+  /** Breite in cm (trussWidth). */
+  width: number;
+  count: number;
+  /** Gesamtlaenge dieser Position in cm (count * length, Ecken * 2). */
+  totalCm: number;
+  /** Bezeichnung, z.B. "Traverse 200 x 29". */
+  label: string;
+}
+
+export interface BOMResult {
+  rows: BOMRow[];
+  /** Gesamte Traversenlaenge in Metern (Ecken zaehlen beide Arme). */
+  totalLengthM: number;
+}
+
+interface GroupKey {
+  type: 'Traverse' | 'Eck-Traverse';
+  length: number;
+  width: number;
+}
+
+/**
+ * Baut die Stueckliste aus allen Zeichnungselementen.
+ * Nur truss- und boxcorner-Elemente fliessen ein; alles andere
+ * wird still ignoriert.
+ */
+export function buildBOM(elements: CADElement[]): BOMResult {
+  const groups = new Map<string, { key: GroupKey; count: number }>();
+
+  for (const el of elements) {
+    if (String(el.type) === 'truss' && el.properties.truss === true) {
+      const length = (el.properties.length as number | undefined) ?? el.width ?? 0;
+      const width = (el.properties.trussWidth as number | undefined) ?? el.height ?? 29;
+      const key: GroupKey = { type: 'Traverse', length, width };
+      const id = `T|${length}|${width}`;
+      const g = groups.get(id) ?? { key, count: 0 };
+      g.count++;
+      groups.set(id, g);
+    } else if (String(el.type) === 'boxcorner' && el.properties.boxcorner === true) {
+      const length = (el.properties.armLength as number | undefined) ?? 50;
+      const width = (el.properties.trussWidth as number | undefined) ?? 29;
+      const key: GroupKey = { type: 'Eck-Traverse', length, width };
+      const id = `C|${length}|${width}`;
+      const g = groups.get(id) ?? { key, count: 0 };
+      g.count++;
+      groups.set(id, g);
+    }
+  }
+
+  // Sortierung: Traversen vor Ecken, innerhalb Typ nach Laenge absteigend
+  const entries = Array.from(groups.values());
+  entries.sort((a, b) => {
+    if (a.key.type !== b.key.type) {
+      return a.key.type === 'Traverse' ? -1 : 1;
+    }
+    return b.key.length - a.key.length;
+  });
+
+  const rows: BOMRow[] = entries.map((g, i) => {
+    // Ecken haben 2 Arme: Gesamtlaenge = count * length * 2
+    const armFactor = g.key.type === 'Eck-Traverse' ? 2 : 1;
+    const totalCm = g.count * g.key.length * armFactor;
+    return {
+      pos: i + 1,
+      type: g.key.type,
+      length: g.key.length,
+      width: g.key.width,
+      count: g.count,
+      totalCm,
+      label: `${g.key.type} ${g.key.length} \u00d7 ${g.key.width}`,
+    };
+  });
+
+  const totalCmAll = rows.reduce((s, r) => s + r.totalCm, 0);
+  return {
+    rows,
+    totalLengthM: totalCmAll / 100,
+  };
+}
+
+/**
+ * Exportiert die Stueckliste als Semikolon-CSV (Excel-DE oeffnet
+ * das direkt mehrspaltig). Spalten: Pos;Typ;Laenge_cm;Breite_cm;
+ * Anzahl;Gesamt_cm;Bezeichnung + Summenzeile am Ende.
+ */
+export function exportBOMCsv(bom: BOMResult): string {
+  const lines: string[] = ['Pos;Typ;Laenge_cm;Breite_cm;Anzahl;Gesamt_cm;Bezeichnung'];
+  for (const r of bom.rows) {
+    lines.push(
+      `${r.pos};${r.type};${r.length};${r.width};${r.count};${r.totalCm};${r.label}`,
+    );
+  }
+  if (bom.rows.length > 0) {
+  lines.push(`;;;SUMME;;;${bom.totalLengthM.toFixed(2)} m`);
+  }
+  return lines.join('\n');
+}